Parallel Resonant Type Non-contact Design And Implementation Of The Universal Power Supply Platform

As a brand new power transfer system, ICPT(Inductively coupled Power Transfer) power supply system supplies power in contactless inductively coupled way.Contactless common power supply platform is a device which supply power for electrical appliances such as computer, lamp, mobile cell, CD player, MP3 player, electronic dictionary by a flat in way of placement. There is a bright appliance future of this design due to the contactless feature and the flexibility of placement load, which also demands more of the design of power source.Firstly, the present article analyzes the to topological structure and compensation patterns of ICPT, objectively reflects the necessity of adding extra capacitor in the ICPT topological structure by numerical calculation, comes up with a way of secondary capacitor compensation according to the system requirement of Marxism transfer at the same time.Secondly, on the basis of the resonance frequency will be affected by the entropy of elements in the power circuit, fluctuation of temperature, especially the fluctuation of load, the fold will impact its maxim transfer power, referring to current-feed parallel resonant circuit, using the nonlinear variable inductance is controlled by two closed loops control, by this new way; the frequency is controlled in the design of power circuit, and it is achieved to keep the stability of the resonance frequency of the power circuit by the smart circuit design. The feasibility of this new way is tested though theoretical derivation and Pspice behavioral model simulation.Thirdly, a way of multilayer placement basing on circle circuits is presented on the basis of comparison and analysis of various traditional designs of guideway, by this way, the design requirements on the dimensions of power platform is met, at the same time, the requirements on magnetic field regularity is also met.Fourthly, the present design of the self-sustained circuit referring to current-feed parallel resonant circuit, overcomes the limitation of over high of voltage by adding current-limiting device and sliding door drive circuit.At last, the feasibility of design of contactless power supply technology in the...